The poll showed 47 percent said they would favor the legalization of same-sex marriages, with 43 percent opposed. But respondents were evenly split over increasing gas taxes to finance highway and bridge repairs.

The survey was conducted over six days ending Sunday. The sampling error margin was plus or minus 2.8 percentage points.

1791: Congress adopts 12 amendments to the U.S. Constitution, including the 10 that are known as the Bill of Rights. Among those rights is the Second Amendment, or the right to keep and bear arms. It reads: "A well regulated Militia, being necessary to the security of a free State, the right of the people to keep and bear Arms, shall not be infringed."